11839540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 26082000

約数和(自身を除く): 14242460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 149, 274, 290, 298, 548, 580, 596, 685, 745, 1370, 1490, 2740, 2980, 3973, 4321, 7946, 8642, 15892, 17284, 19865, 20413, 21605, 39730, 40826, 43210, 79460, 81652, 86420, 102065, 204130, 408260, 591977, 1183954, 2367908, 2959885, 5919770, 11839540]

約数ペア:

[(1, 11839540), (2, 5919770), (4, 2959885), (5, 2367908), (10, 1183954), (20, 591977), (29, 408260), (58, 204130), (116, 102065), (137, 86420), (145, 81652), (149, 79460), (274, 43210), (290, 40826), (298, 39730), (548, 21605), (580, 20413), (596, 19865), (685, 17284), (745, 15892), (1370, 8642), (1490, 7946), (2740, 4321), (2980, 3973)]